*{
    padding: 0;
    margin: 0;
}
.slider{
    width: 590px;
    height: 470px;
    margin: 100px auto;
    position: relative;
    overflow: hidden;
}
.slider .slider_scroll{
    position: relative;
    width: 590px;
    height: 470px;

}
.slider_main{
    position: relative;
    width: 590px;
    height: 470px;
}
.slider_main .item{
    width: 590px;
    height: 470px;
    position: absolute;
}
.slider_main .item img{
    width: 590px;
    height: 470px;
}
.slider_index{
    width: 590px;
    height: 40px;
    text-align: center;
    color: #fff;
    font-weight: 700;
    z-index: 20;
    position: absolute;
    background:rgb(0,0,0,.5) ;
    line-height: 40px;
    bottom: 0;
}
.slider_index .slider_index_icon{
    display: inline-block;
    line-height: 40px;
    margin: 0 10px;
}
.slider_index .slider_index_icon.current{
    color: red;
}
.slider_scroll span{
    position: absolute;
    width: 30px;
    height: 68px;
    background: url("icon-slides.png") no-repeat;
    top: 50%;
    margin-top: -34px;
}
.slider_scroll .prev{
    left: 0;
    background-position: 0px 0;
}
.slider_scroll .next{
    right: 0;
    background-position: -46px 0;
}
